div {
    margin-top: 12px;
}
div label.campo{
  width: 25%;
  float: left;
}
input[type=submit]{
    margin-left: 150px;
    margin-top: 20px;
}
fieldset{
    width: 50%;
}
label.error{
    color:#FF0000;
    background-image: url(img/error.png);
    background-repeat: no-repeat;
    padding-left: 20px;
}
input.error{
	background-color: #FF9F99;
}